166674872 has 48 divisors (see below), whose sum is σ = 391514760. Its totient is φ = 65935296.

The previous prime is 166674797. The next prime is 166674913. The reversal of 166674872 is 278476661.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11258 + ... + 21449.

Almost surely, 2^166674872 is an apocalyptic number.

It is an amenable number.

166674872 is an abundant number, since it is smaller than the sum of its proper divisors (224839888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166674872 is a wasteful number, since it uses less digits than its factorization.

166674872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32740 (or 32729 counting only the distinct ones).

The product of its digits is 677376, while the sum is 47.

The square root of 166674872 is about 12910.2622746403. The cubic root of 166674872 is about 550.3302391388.

The spelling of 166674872 in words is "one hundred sixty-six million, six hundred seventy-four thousand, eight hundred seventy-two".